Form-roller mechanism for printing-machines



(No Model.) zsheets-Sheet 1.

S. WHITLOGK. FORM ROLLER MEGHANISM FOR'IPRINTING MACHINES.

Patented Dec. 10

.A .wn

2 Sheets-Sheet 2',

(No Model.)

S. WHITLOGK. FORM ROLLBRMECHANISM POR PRINTING MAGHNBs.

UNITED STATES PATENT OFFICE.

STURGES VHITLOCK, OF SHELTON, ASSIGNOR TO THE WHITLOCK MACHINE COMPANY, OF BIRMINGHAM, CONNECTICUT.

FORM-ROLLER MECHANISM FOR PRINTING-MACHINES.

SPECIFICATION forming part of Letters Patent N o. 416,820, dated December 10, 18.89. i Application filed November 13, 1888. Serial No. 290,672. (No model.)

\ To all whom t may concern.-

useful Improvements in Form-Roller Mechanism for Printing-Machines; and I d hereby ,declare the following to be a full, clear, and

exact description of the invention, such as will enable others skilled in the. art to which it appertains to make and use the same.

My invention relates to certain newand useful improvements in form-rollers for printing-presses, but more particularly does it appertain to an improved journal-bearing in which the distributer for the form-rollers may be supported and securely held, and from which it may be released quickly and easily,

and to a simple and compact mechanical dethe same in detail, reference being had to the accompanying drawings, which form a part of this specification, andin-which Figure 1 is a perspective of the form-rollers, the distributer, and the mechanism for operating them, a portion of the bed. and of the standard being shown; Fig. 2,l a front elevation of the distributer and one form-roller,

the journals being sectioned centrally, vertically, and longitudinally on the line x of Fig. 1; and Fig. 3, a transverse vertical section through the distributer-roll journal and block, taken at the line y y of Fig. 2.

Like vreference-numerals denote the same parts in all the figures of the drawings.

1 represents the base or frame-work upon which the moving parts of the machine are mounted, as in ordinary presses, and 2 is a standard bolted or otherwise rmly secured upon the edge of said frame-work.

3 is the reciprocating bed, adapted to conrollers.

tain t-he form, and'l is a rackarranged at the edge of said bed and extendinglongitudinally thereof. The standard has arranged thereon suitable bearings 5, wherein 1 are jo'urnaled the form-rollers 6 7, which apply the vink to the form as it passes beneath them. The oppositeends of the form-rollers are similarly journaled in bearings mounted on another standard 8 at the other side of the bed.

9 is the distributer-roll, journaled in a plane higher than the plane of the form-rollers and engaging with them. Its function :is-that usual. to distributers-inarnely, to equalize the ink upon the form-rollers, so that it shall be evenly applied to the face of the form by said Said distributer is preferably of metal, and upon it-sshaft 10 is mounted the gear 11, whereby it is driven, as'will bepresently explained. Beyond the said gear the shaft is held by means of a cap and screw 12 in a sleeve 13, which forms a hearing wherein said shaft may turn. This sleeve is cut away, as at 14, to form two parallel faces, one upon each side thereof, thereby to all intents and purposes s'qu'aringthe sleeve at that point.

15 is a movable block connected to the standard 2 by means of pins 16, which are free, as

will be hereinafter set forth, to slide longitudinally in bearings in said standard. At the top of this block is a square yoke 17, which is adapted `toireceive the squared or faced portion of the:sleeve, so as to hold the latter as against rotation and also against longitudinal movement independent of said block. Any lifting of the sleeve and shaft journaled therein-as, for instance, by the raising of the form-rollers-except whereit is desired to remove the distributer-roll, is obviated by a latch 18, Whose upper end is open and embraces the sleeve, and which is retained normally in its closed position (see Figs 1 and 2) by means of a spring 19, acting upon its lower end below the pivotal point thereof. (See Fig.A 2.) The other end of the shaft of the distributer-roll passes through and 4has -its bearing in a hinged block 2O at the farther side of the bed.

The distributor has imparted to it both a rotary movement in its bearings and an endwise reciprocation, and the means whereby these functions are effected are asfollows:

21 is a pinion secured upon a sleeve 22,

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which latter has a bearing in the stand ard 2, as seen at. Fig 2. This pinion meshes with and is driven by the rack 4c on the edge of the bed, and said pinion in its turn meshes with the gear 11 on the distributer-roll shaft, and thereby imparts motion to the roll. The said sleeve 22 is interiorly threaded, and a screw 23, whose outer end is firmly secured y lengthwise traverse of the roll.

to the block 15, (see Fig. 2,) engages the interior threaded surface ofthe sleeve. In the operation of my improved machine the backward and forward movement of the bed, through the rack pinion and gear, imparts the rotary movement to the distributer-roll,

first in one direction and then in the other, the form-rollers meanwhile being rotated by their engagement with the face of the form. As the rack-driven pinion 21 revolves, the sleeve 22 upon which it is secured also revolves, and therefore, since t-he sleeve and pinion turn always in the same vertical plane, the screw 23 is driven longitudinally inward or outward, according as the pinion being driven forward or backward by the rack. The screw, according to its movement, carries the block 15 inward or outward upon the bearingpins 16, and as the distributer-roll is held in thetop of the block against longitudinal movement, .except es Carried by Seid block, by the engagement of the squared sleeve with said blocl said roll acquires a longitudinal reciprocation relative to the form-rollers in addition to its rotary movement upon its bearings. 'lo provide for the proper driving of the roll by the pinion notwithstanding the longitudinal movement of the former, the driven gear .11Y is made of a width about as much greater than that of the'pinion as the extent of the The farther en d of the distributer-roll shaft is free to slide in its bearing.

In order to ,remove the distrib uter-roll from the machine it is only necessary to draw back the spring-actuated latch out of engagement Awiththe end of the sleeve (see dotted lines,

Fig. 2) yand then raise the sleeve and roll ,from their engagement with'the yoke in the top of theel-eek! (See @eet-ien, Fia 39 YThe other .eed ef the Sheit may then be l.readily With-` .drawn eut ef its betting in the hinged bleek, whiei"l latter may .turn en its hinge, es Seen et dotted lines in Fig. 2. 'i

I claim as my inventionl. The combination, with the distributertell, ef the Sleeve Surrounding the teli-Shaft and forming a bearing therefor, said sleeve being lfaced square near its end, the supportitis-bleek having et reke etrange@ te embrace the faced section o f the sleeve, and a leteh engegiiigthe end 0f the Sleeve, whereby' said sleeveis held as against movement and a firm bearing for the shaft afforded, substantially as set forth.

2. In a printing-machine, the combination,

with the distributer-roll and the means for driving and traversing the same, of the sleeve fitted over the end of the roll-shaft and faced, as shown, the yoked support engaging the faced portion of said sleeve, and the springactuated latch adapted to encircle and hold the extremity of said sleeve, whereby the roll is held in firm bearin gs, substantially as specified. 3. In a printing-machine, the combination, with the distributer-roll, the faced bearingsleeve, the yoked support for the latter, and the means for driving and traversing .the roll, of the latch pivoted at the side ofthe supporting-bleek end @dented te .embtttee the end '.Qf .the Sleeve, end the entitle bearing against the .end et the leteh end adapted .te hold the latter normally in its engaged positien, Substantially es `eet .ferth- 4t. In a printing-machine, the combination, with the distributer-roll and the faced sleeve upon the shaft thereof, of the movable block Whereon the sleeve is supported, the latch whereby the sleeve is held, and the rack, pinion, threaded sleeve, and screw whereby the movable block is caused to travel toward and away tiem the bed and the proper traverse imparted lto the roll, substantially as and for the purpQSe Specified. 5. In la'printing-macl-1ine, the combination, `with the distributer-roll, of the movable block whereon one end of said roll has a bearing,

the racli at the edge lof the bed, the pinion and its integral internally-threaded sleeve driven by said rack, the gear on the roll-shaft driven fromsaid pinion, and the screw secured to the movable block and actuated in both directions by ,the internallythreaded sleeve, whereby said block and roll are traversed, .Substantially ee deseifibee 6- In 'e pfilltiig-meehine, the .Combination with the distribute'r-roll and the sleeve in which it has its bearing, of the block whereon Seid Sleeve 'it Slippetted, the .Slide bearingpins secured te-the block and having bearings iii the Standard, wherein they'mey Slide 10ngitildielly, the Screw pieieeting inward from @eid bleek, end the .threaded Sleeve and pinieii Operated by the leek, and whereby the inverti and Outward movement ef the ,bleek is. etfeeted, substantially eeepeeified In testimony whereof .I affix my signature iii pfeeeiieeef ive .Wtneeeees'runens wi-nrtocn. lVitnesses:

WM- S- BROWNE, Envvnv T. SWIFT.

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